The exponent of prime number 887 is 1. Adding 1 to that exponent we get (1 + 1) = 2. Therefore 887 has exactly 2 factors.

Factors of 887: 1, 887

Factor pairs: 887 = 1 × 887

887 has no square factors that allow its square root to be simplified. √887 ≈ 29.782545

How do we know that 887 is a prime number? If 887 were not a prime number, then it would be divisible by at least one prime number less than or equal to √887 ≈ 29.8. Since 887 cannot be divided evenly by 2, 3, 5, 7, 11, 13, 17, 19, 23, or 29, we know that 887 is a prime number.